With the development of technology, the parking lot system is constantly upgrading, and its functions become more and more. At present, the parking lot systems on the market mainly include the following: IC, ID card swiping, Bluetooth remote card reading, license plate recognition and other parking lot systems. In the past two years, from people's experience, license plate recognition parking lot system is one of the most popular intelligent parking lot management systems for car owners. One of the reasons why the license plate recognition parking lot system is so popular is that it speeds up the traffic speed of people in and out of the parking lot. Because it has this special function, it is used by people in all sizes of parking lots at present. So what should be considered when purchasing the license plate recognition parking lot system? What are its core devices? The composition of license plate recognition parking lot system is roughly the same as that of ordinary parking lot system, but the requirements for equipment of license plate recognition parking lot system will be higher. First of all, the most important factor of the license plate recognition parking lot system is the recognition rate. Some people judge the good or bad of the equipment from the recognition rate. In fact, this is a very unscientific method. The recognition rate is not only related to the problem of the equipment itself, but also related to the environment of the parking lot. The impact of the environment on the recognition rate may sometimes exceed the factors of the equipment itself. Therefore, in order to solve this problem, the license plate recognition parking lot should not only be equipped with high-definition license plate recognition cameras, but also install some lighting devices according to the site conditions to increase its recognition effect. Secondly, the most important feature of the license plate recognition parking lot system is fast traffic speed. Therefore, compared with the card swiping parking lot system, the fast intelligent gate must be selected, and the fast gate will have higher requirements for the movement of the gate and stronger stability. The above is the core equipment of the license plate recognition parking lot system. Selecting a good parking lot system configuration can not only prolong the service life of the parking lot system, but also increase the income of the parking lot and alleviate people's parking problems.